ed.leslie@canremote.uucp (ED LESLIE) (12/14/89)
TO: joefritz@pawl.rpi.edu ju>In article <41644@srcsip.UUCP> rogers@src.honeywell.com (Brynn ju>Rogers) writes: >In article <966@maytag.waterloo.edu> ju>dmurdoch@watstat.waterloo.edu (Duncan Murdoch) writes: > >The Bytes relevant to changing screen sizes are: (as far as I know) > >40:84 Rows - 1 (probably a leftover EGA BIOS bug that keeps it 1 ju>smaller) (some deleted) In the programming of video controller chips, one of the parameters set into a chip hardware register is the 'last scan line'. They do, in fact, start numbering the scan lines at zero, hence the number stored here is 'n-1', the value set in the chip. Regards....Ed --- * QDeLuxe 1.01 #1656